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Former-commit-id: b7b8bbd10777012ae6f7d30eb6b05c3b1c3ec5d3 [formerly 06e1112fa0e1092a7137186d3a386972daa2effe] Former-commit-id: ff2bc760c9dafb6250f056606eb2cbf96b6afa5b
38 lines
1.2 KiB
Go
38 lines
1.2 KiB
Go
package types
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import (
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"github.com/ethereum/go-ethereum/common"
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)
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// Node defines a a sharding-enabled Ethereum instance that provides
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// full control and shared access of necessary components and services
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// for a sharded Ethereum blockchain.
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type Node interface {
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Start()
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Close()
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}
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// Actor refers to either a notary, proposer, or observer in the sharding spec.
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type Actor interface {
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Service
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// TODO: will actors have actor-specific methods? To be decided.
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}
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// CollationFetcher defines functionality for a struct that is able to extract
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// respond with collation information to the caller. Shard implements this interface.
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type CollationFetcher interface {
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CollationByHeaderHash(headerHash *common.Hash) (*Collation, error)
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}
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// Service is an individual protocol that can be registered into a node. Having a sharding
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// node maintain a service registry allows for easy, shared-dependencies. For example,
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// a proposer service might depend on a p2p server, a txpool, an smc client, etc.
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type Service interface {
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// Start is called after all services have been constructed to
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// spawn any goroutines required by the service.
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Start()
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// Stop terminates all goroutines belonging to the service,
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// blocking until they are all terminated.
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Stop() error
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}
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